clear
x=0:pi/10:2*pi;
y1=sin(x);
y2=cos(x);
plot(x,y1,x,y2)
grid on
xlabel('independent variable X')
ylabel('Dependent Variable Y1 & Y2')
title('Sine and Cosine Curve')
text(1.5,0.3,'cos(x)')
gtext('sin(x)');
axis([0 2*pi -0.9 0.9])
x=0:pi/10:2*pi;
y1=sin(x);
y2=cos(x);
plot3(y1,y2,x,'m:p')
grid on
xlabel('Dependent Variable Y1')
ylabel('Dependent Variable Y2')
zlabel('Independent Variable X')
title('Sine and Cosine Curve')